<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
	</head>
	<body>
		<input type="text" id="big" />
		<script>
			/**
			 * 以分为单位
			 */
			function smalltoBIG(n){    
				var fraction = ['角', '分'];    
			    var digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];    
			    var unit = [ ['元', '万', '亿','兆','京'], ['', '拾', '佰', '仟']  ];    
			    var head = n < 0? '欠': '';    
			    n = Math.abs(n);    
	
			    var s = '';    
			  
			    for (var i = 0; i < fraction.length; i++){
			        s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');    
			    }    
			    s = s || '整';    
			    n = Math.floor(n);    
			  
			    for (var i = 0; i < unit[0].length && n > 0; i++){    
			        var p = '';    
			        for (var j = 0; j < unit[1].length && n > 0; j++){    
			            p = digit[n % 10] + unit[1][j] + p;    
			            n = Math.floor(n / 10);    
			        }    
			        s = p.replace(/(零.)*零$/, '').replace(/^$/, '零')  + unit[0][i] + s;    
			    }    
			    return head + s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整');    
		   }
			
			/**
			 * 以万为单位
			 * @param {Object} n
			 */
			function smalltoBIG(n){    
			    var fraction = ['千', '佰','拾','元'];    
			    var digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];    
			    var unit = [ ['万', '亿','兆','京'],['','拾','佰','千'] ];    
			    var head = n < 0? '欠': '';    
			    n = Math.abs(n);    
			  
			    var s = '';    
			  
			    for (var i = 0; i < fraction.length; i++){
			        s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');   
			    }    
			    s = s || '整';

			    n = Math.floor(n);    
			  
			    for (var i = 0; i < unit[0].length && n > 0; i++){    
			        var p = '';    
			        for (var j = 0; j < unit[1].length && n > 0; j++){    
			            p = digit[n % 10] + unit[1][j] + p;    
			            n = Math.floor(n / 10);    
			        }    
			        s = p.replace(/(零.)*零$/, '').replace(/^$/, '零')  + unit[0][i] + s;   
			       
			    }    
			    return head + s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整');    
			}  
			
			
			$("#big")[0].addEventListener("input",function(){
				console.log(smalltoBIG($("#big").val()));
			})
			
		</script>
		
	</body>
</html>
